Question 1
(a)
Explain the difference between a microprocessor and a microcomputer.
3 Marks
(b)
Define significance of ALE pin with example or a diagram.
4 Marks
(c)
Draw and Explain Pin diagram of 8085.
7 Marks
Gujarat Technological UniversityWinter 2023 Examination
GTU 3160712 Microprocessor and Interfacing (MPI) Winter 2023 Paper Solution & PDF
B.E. · Computer Engineering · Semester 6 · Subject Code: 3160712
Total Marks70 MarksExternal theory exam
Passing Marks23 Marks33% minimum cutoff
Exam Duration2.5 Hours2:30 PM – 5:00 PM
Paper Structure5 QuestionsWith internal OR choices
Question 2
(a)
Explain Assembler, Debugger and Linker with an example.
3 Marks
(b)
Explain Read/ Write control signals for memory and I/O.
4 Marks
(c)
Draw and Explain Timing Diagram of MVI A, 45h.
7 Marks
OR OPTION
(c)
List instruction set of 8085. Also explain timing diagram of two-byte instructions.
7 Marks
Question 3
(a)
Find the ending address of an 8K-byte memory if the starting address is '0'
3 Marks
(b)
What are the contents in Register H and L after executing the following 8085 program? MVI L, 01H MVI H, 00H INX H
4 Marks
(c)
Write an assembly language program to find the larger number from given two numbers stored at 2501H = 98H, 2502H = 87H result store at 2503H.
7 Marks
OR OPTION
(a)
What is the ending address of a 2K-bytes memory whose starting address is 3000H.?
3 Marks
(b)
What are the states of the Carry (C), Zero (Z) flags and content in Accumulator (A) after executing the following 8085 program? MVI L, 01H MVI A, 00H SUB L
4 Marks
(c)
Write an assembly language program to find the smaller number from given two numbers stored at 2501H = 84H, 2502H = 99H result store at 2503H.
7 Marks
Question 4
(a)
Explain General purpose Data register.
3 Marks
(b)
Explain Indirect and Immediate addressing mode with example.
4 Marks
(c)
Explain 8085 Programming model and classify instruction set on the basis of different addressing modes.
7 Marks
OR OPTION
(a)
Explain various flags use in 8085.
3 Marks
(b)
Give comparison of Memory mapped I/O and Peripheral mapped I/O.
4 Marks
(c)
Explain One byte, Two byte, Three byte and write short note on different types of instruction sets.
7 Marks
Question 5
(a)
Differentiate between maskable and non-maskable interrupts.
3 Marks
(b)
Explain various types of conditional jump instructions with example.
4 Marks
(c)
Draw and explain the architecture of SUN SPARC microprocessor.
7 Marks
OR OPTION
(a)
Differentiate vectored and non-vectored interrupts.
3 Marks
(b)
How many interrupts are there in 8085? Name them. Explain the characteristics in terms of maskability, vectoring and priority.
4 Marks
(c)
Give ARM architecture features and explain block diagram of ARM.
7 Marks
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About this Examination Paper & Attribution
Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Microprocessor and Interfacing (MPI) (Winter 2023, B.E. · Computer Engineering, Sem 6). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.